LUXEMBOURG - LUXEMBOURG Jean (1964-2000). Trial 100 francs Or, by J. N. Lefèvre, Frappe spéciale (SP) 1964, Brussels. Av. JEAN GRAND-DUC - DE LUXEMBOURG. Nude head left; below signature J. N. LEFEVRE and behind the head ESSAI. Rv. GRAND DUKE OF LUXEMBOURG. Crowned shield supported by two lions, resting on a crowned mantle. Above (date) and below 100 F and signature NJL. KM.E76; Gold - 30.39 g - 33 mm - 6 h Top Pop (4): this is the most beautiful graded example! PCGS SP66 (51871442). Special strike (SP) with visible polishing marks on the corners. Corner flower.